import axios from 'axios'
import { Notification, MessageBox, Message } from 'element-ui'
import store from '@/store'
import { getToken } from '@/utils/auth'
import errorCode from '@/utils/errorCode'

axios.defaults.headers['Content-Type'] = 'application/json;charset=utf-8'
    // 创建axios实例
const service = axios.create({
        // axios中请求配置有baseURL选项，表示请求URL公共部分
        baseURL: process.env.VUE_APP_BASE_API,
        // 超时
        timeout: 120000
    })
    // request拦截器
service.interceptors.request.use(config => {
    // 是否需要设置 token
    const isToken = (config.headers || {}).isToken === false
    if (getToken() && !isToken) {
        config.headers['Authorization'] = 'Bearer ' + getToken() // 让每个请求携带自定义token 请根据实际情况自行修改
    }
    return config
}, error => {
    console.log(error)
    Promise.reject(error)
})

// 响应拦截器
service.interceptors.response.use(res => {
    // 未设置状态码则默认成功状态
    const code = res.data.code || 200
        // 获取错误信息
    const msg = errorCode[code] || res.data.msg || errorCode['default']
    if (code === 400) {
        Message({
            message: '参数错误',
            type: 'error'
        })
    } else if (code === 401) {
        MessageBox.confirm('登录状态已过期，您可以继续留在该页面，或者重新登录', '系统提示', {
            confirmButtonText: '重新登录',
            cancelButtonText: '取消',
            type: 'warning'
        }).then(() => {
            store.dispatch('LogOut').then(() => {
                location.href = '/handle'
            })
        })
    } else if (code === 410) {
        MessageBox.confirm(msg, '系统提示', {
            confirmButtonText: '重新登录',
            cancelButtonText: '取消',
            type: 'warning'
        }).then(() => {
            store.dispatch('LogOut').then(() => {
                location.href = '/handle'
            })
        })
    } else if (code === 500) {
        Message({
            message: msg,
            type: 'error'
        })
        return Promise.reject(new Error(msg))
    } else if (code !== 200) {
        Notification.error({
            title: msg
        })
        return Promise.reject('error')
    } else {
        return res.data
    }
}, error => {
    console.log('err' + error)
    let { message } = error
    if (message == 'Network Error') {
        message = '后端接口连接异常'
    } else if (message.includes('timeout')) {
        message = '系统接口请求超时'
    } else if (message.includes('Request failed with status code')) {
        message = '系统接口' + message.substr(message.length - 3) + '异常'
    }
    Message({
        message: message,
        type: 'error',
        duration: 5 * 1000
    })
    return Promise.reject(error)
})

export default service